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Sixth Grade (Grade 6) Food Chains and Webs Questions

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Grade 6 Food Chains and Webs
Some beetles break down the remains of dead animals. Some mushrooms break down the remains of dead trees. These actions most benefit plants by what?
  1. returning nutrients to the soil.
  2. releasing oxygen into the air.
  3. making space for new animals.
  4. decreasing the population of herbivores.
Grade 6 Food Chains and Webs
A connected group of food chains is a(n)                            .
  1. habitat.
  2. food web.
  3. ecosystem.
  4. predator/prey relationship.
Grade 6 Food Chains and Webs
Animals that eat other animals are                .
  1. omnivores.
  2. biomes.
  3. herbivores.
  4. carnivores.
Grade 6 Food Chains and Webs
Plants are necessary for life on Earth.
  1. True
  2. False
Grade 6 Food Chains and Webs
                eat both plants and animals.
  1. Carnivores
  2. Herbivores
  3. Omnivores
  4. Scavengers
  5. Decomposers
Grade 6 Food Chains and Webs
Organisms that get energy by breaking down the remains of dead organisms are
  1. carnivores.
  2. herbivores.
  3. omnivores.
  4. scavengers.
  5. decomposers.
Grade 6 Food Chains and Webs
Which organisms are typical decomposers?
  1. grasses and ferns
  2. mushrooms and bacteria
  3. mice and deer
  4. lions and snakes
Grade 6 Food Chains and Webs
What is an animal that eat plants?
  1. herbivore
  2. prey
  3. niche
  4. ecosystem
Grade 6 Food Chains and Webs
The layers of an energy pyramid are                    .
  1. trophic levels.
  2. energy levels.
  3. energy flow levels.
  4. death by energy.
Grade 6 Food Chains and Webs
What do omnivores eat?
  1. only plants
  2. only animals
  3. decaying matter
  4. plants and other animals
Grade 6 Food Chains and Webs
                are animals that feed on the bodies of dead animals.
  1. Carnivores
  2. Herbivores
  3. Omnivores
  4. Scavengers
  5. Decomposers
Grade 6 Food Chains and Webs
A non-native plant is introduced into a diverse, mature ecosystem in equilibrium. If the plant has no enemies and thrives in the ecosystem, how will it affect the community?
  1. The number of native species will decrease.
  2. The native species will become more like the new plant.
  3. The number of native species will increase.
  4. The number of native species will not be affected at all.
Grade 6 Food Chains and Webs
                break down dead plants and animals.
  1. Producers
  2. Decomposers
  3. Consumers
Grade 6 Food Chains and Webs
Heterotrophs can make their own food.
  1. True
  2. False
Grade 6 Food Chains and Webs
In an ecosystem, sometimes more than one animal is a predator to the same animal. For example, the great barn owl and the the bald eagle both share a habitat, and they both hunt mice. Which answer explains how this relationship can work?
  1. They are both hunted by the red fox.
  2. The eagle migrates to other ecosystems.
  3. The owl hunts at night, and the eagle hunts during the day.
  4. There is an overpopulation of owls.
Grade 6 Food Chains and Webs
A connected group of food chains is a(n)
  1. food web.
  2. habitat.
  3. ecosystem.
  4. predator/prey relationship.
Grade 6 Food Chains and Webs
This level of the food chain pyramid makes their own food.
  1. decomposer
  2. carnivore
  3. herbivore
  4. producer
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